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Stock’s Status of Elongate Glass-Perchlet Chanda nama in the Ganges River (Bangladesh): Suggestions for Future Proper Management

Stock’s Status of Elongate Glass-Perchlet Chanda nama in the Ganges River (Bangladesh): Suggestions for Future Proper Management

Md. Asadujjaman1, Md. Yeamin Hossain2*, Most. Farida Parvin3, Most. Shakila Sarmin2, Fairuz Nawer2, Wasim Sabbir4, Md. Ashekur Rahman2, Nur-E-Farjana Ilah2, Md. Joynal Abedin5, Md. Abdus Samad6 and Gitartha Kaushik7

Figure 1:

Growth pattern of Chanda nama in the Ganges River, Bangladesh.

Figure 2:

Powell-Wetherall regression plot, equation is Y = 1.03–0.255X, r = 0.922 (L∞ = 26.39 cm and Z/K = 2.92).

Figure 3:

K-scan routine with growth performance indices in Chanda nama from the Ganges River, Bangladesh.

Figure 4:

von Bertalanffy growth curve for Chanda nama in the Ganges River, Bangladesh.

Figure 5:

Growth curve of Chanda nama based onVBGF computed growth parameters in the Ganges River, Bangladesh.

Figure 6:

Length-converted catch curve for Chanda nama in the Ganges River, Bangladesh.

Figure 7:

Recruitment pattern of Chanda nama in Ganges River estimated from field data.

Figure 8:

Yield-per-recruit and average biomass per recruit models for Chanda nama.

Figure 9:

Isopleths, showing optimum fishing activity both in terms of fishing effort and size of first capture.

Figure 10:

Probability of capture, showing 25%, 50% and 75% selection length of Chanda nama.

Figure 11:

Length-Structured Virtual Population Analysis of Chanda nama in the Ganges River, Bangladesh.

Sarhad Journal of Agriculture

December

Vol.40, Iss. 4, Pages 1102-1532

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